During Jun 3rd and 6th, 13 representatives of Chinese American Petroleum Association US (CAPAUS) led by chairman Wan Jichun had excellent lectures on 8 topics in the headquarters of PetroChina and Sinopec, Daqing Oilfield and Shengli Oilfield. They also had technical communication in-depth with Chinese experts. As one of CAPAUS's sponsors, Petromentor along with PetroChina and Sinopec sponsored this technical communication. In addition, it also took part in the technical communication held in Shengli Oilfield.